Home / 10,181,643.60-15,272,465.40-9,789,733.20

Finding the Fourth Proportional to 10,181,643.60, 15,272,465.40 and 9,789,733.20

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Solution

The fourth proportional to 10,181,643.60, 15,272,465.40 and 9,789,733.20 is: 14,684,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181,643.60 : 15,272,465.40 = 9,789,733.20 : x
  2. Step 2: Convert to fraction form
    10,181,643.60/15,272,465.40 = 9,789,733.20/x
  3. Step 3: Cross multiply
    10,181,643.60x = 15,272,465.40 × 9,789,733.20
  4. Step 4: Simplify right side
    10,181,643.60x = 149,513,361,572,231.28
  5. Step 5: Solve for x
    x = 149,513,361,572,231.28/10,181,643.60
  6. Step 6: Final answer
    x = 14,684,599.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.